Perhaps you should try some spelling variations:
"locating bug core snippets" » "locating bug code snippets"
"python using java snippets" » "python using data snippets"
"van than tap snippets" » "van thanh tap snippets", "van thang tap snippets", "van tuan tap snippets", "van toan tap snippets", "van han tap snippets", "van phan tap snippets"

Try widening your search to All Fields.

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• Performing a fuzzy search may retrieve terms with similar spellings: (((("van than tap snippets") or ("python using java snippets"))) or ("locating bug core snippets"))~.
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